This is a 52” 3/8(pitch). 063(gauge) 156DL(drive links) bar.This bar is designed to fit Stihl® chainsaws with the D025 mount models:038, 038 Super Magnum, 039, 040, 041, 042, 044, 044M, 045, 046, 046M, 048, 056, 064, 066, 066 Magnum, MS360, MS361, MS362, MS390, MS391, MS440, MS440M, MS440 Magnum, MS441, MS460, MS460M, MS460 Magnum, MS461, MS650, MS660, MS660M, MS660 Magnum, MS661 and more.This bars specs: 52" 3/8. 063, 156DL.
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